Antimony nanoparticle decorated N-rich porous carbon nanosheets were prepared through a sol-gel route. The composite displayed high reversible capacity, superior rate performance and long cycling stability as an anode material for room temperature Na-ion batteries. Even at an ultrahigh charge-discharge rate of 2 A g(-1), a large specific capacity of 220 mA h g(-1) was still achieved after 180 cycles.
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| http://dx.doi.org/10.1039/c4cc05989a | DOI Listing |
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